chapter 6 Shoulder Flashcards
what 2 bones form the shoulder girdle?
Clavicle
Scapula
The girdle is completed in the front by the ______.
Sternum
The sternum articulates with the _____ end of the ______.
Medial
Clavicle
The _____ forms the anterior part of the shoulder girdle?
Clavicle
The clavicle is classified as a ____ bone.
Long
The ______ lies in a horizontal oblique plane just above the first rib.
Clavicle
The lateral aspect of the clavicle is termed the ________ extremity.
Acromial
The acromial extremity articulates with the ______ of the ______.
Acromion
Scapula
The medial aspect of the clavicle is called the _____ extremity.
sternal
The sternal extremity articulates with the _______ of the _______ and the first ______ ________.
Manubrium
sternum
costal cartilage
The clavicle is _______ curved for strength.
Doubly
The clavicle serves as a fulcrum for the movement of the _____.
Arm
What bone forms the posterior part of the shoulder girdle?
Scapula
The scapula is classified as a ____ bone.
Flat
The scapula has ___ surfaces, ___ borders, and ___ angles.
2
3
3
The _____ border of the scapula runs parallel with the vertebral column.
Medial
The body of the scapula is arched from top to bottom for
greater strength
The ______ surface of the scapula is slightly concave and contains the subscapular fossa.
Costal (anterior)
The _____ surface is divided into two portions by a prominent spinous process.
Dorsal (posterior)
The _______ border extends from the superior angle to the coracoid process.
Superior
The superior borders lateral end has a deep depression called the _____ ____.
Scapular Notch
The medial border extends from the ____ to the ____ angles.
Superior
Inferior
The lateral border extends from the _____ cavity to the _____ angle.
Glenoid
Inferior
The ______ angle is formed by the junction of the superior and medial borders.
Superior
The ____ angle is formed by the junction of the medial (vertebral) and lateral borders and lies over the 7th rib.
Inferior
What is the thickest part of the body of the scapula?
Lateral angle
The lateral angle ends in a shallow oval depression called the
Glenoid cavity
what are 4 common positioning landmarks for the shoulder?
Acromion
Coracoid Process
Superior Angle
Inferior Angle
The _____ tubercle is situated on the anterior surface of the humerus, immediately below the anatomic neck.
Lesser
The ______ tubercle is located on the lateral surface of the Humerus.
Greater
The Lesser and Greater tubercles are separated by a deep depression called the
Intertubercular Groove
______ are small, synovial fluid-filled sacs the relieve pressure and reduce friction in tissue.
Bursae
One of the largest Bursae of the shoulder is the
Subacromial bursae
The shoulder joint is a ____ and ____ joint.
Ball and socket
The 3 borders of the Scapula are the
Superior
Medial
Lateral
The medial border of the scapula runs parallel with the
Vertebral column
The _________ articulation is between the glenoid cavity and the head of the humerus.
Scapulohumeral
The scapulohumeral articulation forms a _______ _____-___-______ joint allowing movement in all directions.
Synovial Ball and Socket
What type of joint is the AC articulation?
Synovial Gliding
The ________ articulation is between the acromion of the scapula and the acromial extremity of the clavicle.
Acromioclavicular (AC)
The _______ articulation is formed by the sternal extremity of the clavicle with two bones: the Manubrium and the first rib cartilage.
Sternoclavicular (SC)
What type of joint is the SC articulation?
double gliding joint
What are the normal views on an AP shoulder projection?
External
Neutral
Internal
The recommended exposure field for the AP shoulder joint is
10x12in
For an AP shoulder the IR should be centered
1in inferior to the coracoid process
Respiration for AP shoulder projections is
Suspend
for external rotation on an AP shoulder, the hands are
supinated
for external rotation on an AP shoulder, the epicondyles are ____ with the plane of the IR.
Parallel
for the neutral rotation of the AP shoulder, the hands are
resting with palm against the thigh
For the neutral rotation of the AP shoulder, the epicondyles are
at angle of approx. 45 degrees with the plane of the IR
For internal rotation of the AP shoulder, how are the hands?
resting on the back side on the hips
what type of joints are your shoulder joints?
Synovial and freely moveable
What bone is normally fractured in the humerus?
Surgical neck
For AP shoulder, we use crosswise to see more
clavicle
for AP shoulder, we use lengthwise to see more
Humerus
For external rotation AP shoulder, we should be able to see the ______ tubercle of the humerus and the site of insertion of the ______ tendon.
Greater
Supraspinatus
For neutral rotation AP shoulder, the _____ part of the supraspinatus insert should be seen.
Posterior
For internal rotation AP shoulder, the proximal _______ is seen in true lateral position.
Humerus
What bone is in profile on the external rotation projection?
Humeral head
Greater Tubercle on lateral side of humerus
the ________ is in partial profile for the neutral rotation projection.
Humeral head
On internal rotation, the _______ tubercle is in profile and pointed medially
Lesser
What is shown in an image of the glenoid cavity?
Open joint spaces
If the image says that weights are being used what joints are we looking for?
AC
What size radiation field is used for the Grashey Method?
8x10in
When is the Transthorasic method used?
For Trauma (patient cant raise arms)
What is the rotation for the oblique grashey method?
35 to 45 degrees toward the affected side
What is the SID for an AC joint?
72in
For AP scapular, the CR is angled
2in inferior to coracoid process
what is demonstrated on the Grashey method?
Glenoid Cavity and Scapulohumeral joint
For AP clavicle the CR should be ________ to the midshaft of the ______.
Perpendicular
Clavicle
The Supraspinatus “Outlet” method can also be known as the _______ projection or the ______ method.
Tangential
Neer
For the Neer method, the CR is angled
10 to 15 degrees caudad
For the Neer method, the body is rotated
45 to 60 degrees from the plane of the IR
The neer method is used to diagnose impingement of _____
tendon
What routine projections are done for the Scapula?
AP
Lateral (scapula Y)
What routine projections are done for the Clavicle
AP or PA
AP axial or PA axial
AC joint images are taken with and without weights for comparison of joint _______.
seperation
The routine projection for the AC joint is
AP-Pearson method
For the Scapular Y, the IR should be __x__ lengthwise
24x30in
For the Scapular Y, the CR is _______ to the scapulohumeral joint
Perpendicular
The AP oblique shoulder (grashey) is used to demonstrate
glenoid cavity
